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authorJan Schmidt <thaytan@mad.scientist.com>2008-02-08 02:00:49 +0000
committerJan Schmidt <thaytan@mad.scientist.com>2008-02-08 02:00:49 +0000
commitd6e3e6d9c0fe39534930c647755c4219eb39f39f (patch)
tree523e56681ab8273336001affda080665a1640f41 /gst/equalizer/gstiirequalizer.c
parent440f4cd1810f7150aed8cba41f31a47b5f796629 (diff)
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Remove the equalizer plugin, which has moved to -good
Original commit message from CVS: * configure.ac: * docs/plugins/Makefile.am: * docs/plugins/gst-plugins-bad-plugins-docs.sgml: * docs/plugins/gst-plugins-bad-plugins-sections.txt: * docs/plugins/inspect/plugin-equalizer.xml: * gst/equalizer/.cvsignore: * gst/equalizer/Makefile.am: * gst/equalizer/demo.c: * gst/equalizer/gstiirequalizer.c: * gst/equalizer/gstiirequalizer.h: * gst/equalizer/gstiirequalizer10bands.c: * gst/equalizer/gstiirequalizer10bands.h: * gst/equalizer/gstiirequalizer3bands.c: * gst/equalizer/gstiirequalizer3bands.h: * gst/equalizer/gstiirequalizernbands.c: * gst/equalizer/gstiirequalizernbands.h: * tests/check/Makefile.am: * tests/check/elements/.cvsignore: * tests/check/elements/equalizer.c: Remove the equalizer plugin, which has moved to -good
Diffstat (limited to 'gst/equalizer/gstiirequalizer.c')
-rw-r--r--gst/equalizer/gstiirequalizer.c660
1 files changed, 0 insertions, 660 deletions
diff --git a/gst/equalizer/gstiirequalizer.c b/gst/equalizer/gstiirequalizer.c
deleted file mode 100644
index 684e8843..00000000
--- a/gst/equalizer/gstiirequalizer.c
+++ /dev/null
@@ -1,660 +0,0 @@
-/* GStreamer
- * Copyright (C) <2004> Benjamin Otte <otte@gnome.org>
- * <2007> Stefan Kost <ensonic@users.sf.net>
- * <2007> Sebastian Dröge <slomo@circular-chaos.org>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <math.h>
-#include <string.h>
-
-#include "gstiirequalizer.h"
-#include "gstiirequalizernbands.h"
-#include "gstiirequalizer3bands.h"
-#include "gstiirequalizer10bands.h"
-
-GST_DEBUG_CATEGORY (equalizer_debug);
-#define GST_CAT_DEFAULT equalizer_debug
-
-static void gst_iir_equalizer_child_proxy_interface_init (gpointer g_iface,
- gpointer iface_data);
-
-static void gst_iir_equalizer_finalize (GObject * object);
-
-static gboolean gst_iir_equalizer_setup (GstAudioFilter * filter,
- GstRingBufferSpec * fmt);
-static GstFlowReturn gst_iir_equalizer_transform_ip (GstBaseTransform * btrans,
- GstBuffer * buf);
-
-GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
-#define GST_CAT_DEFAULT equalizer_debug
-
-#define ALLOWED_CAPS \
- "audio/x-raw-int," \
- " depth=(int)16," \
- " width=(int)16," \
- " endianness=(int)BYTE_ORDER," \
- " signed=(bool)TRUE," \
- " rate=(int)[1000,MAX]," \
- " channels=(int)[1,MAX]; " \
- "audio/x-raw-float," \
- " width=(int) { 32, 64 } ," \
- " endianness=(int)BYTE_ORDER," \
- " rate=(int)[1000,MAX]," \
- " channels=(int)[1,MAX]"
-
-static void
-_do_init (GType object_type)
-{
- const GInterfaceInfo child_proxy_interface_info = {
- (GInterfaceInitFunc) gst_iir_equalizer_child_proxy_interface_init,
- NULL, /* interface_finalize */
- NULL /* interface_data */
- };
-
- g_type_add_interface_static (object_type, GST_TYPE_CHILD_PROXY,
- &child_proxy_interface_info);
-}
-
-GST_BOILERPLATE_FULL (GstIirEqualizer, gst_iir_equalizer,
- GstAudioFilter, GST_TYPE_AUDIO_FILTER, _do_init);
-
-/* child object */
-
-enum
-{
- ARG_GAIN = 1,
- ARG_FREQ,
- ARG_BANDWIDTH
-};
-
-typedef struct _GstIirEqualizerBandClass GstIirEqualizerBandClass;
-
-#define GST_TYPE_IIR_EQUALIZER_BAND \
- (gst_iir_equalizer_band_get_type())
-#define GST_IIR_EQUALIZER_BAND(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IIR_EQUALIZER_BAND,GstIirEqualizerBand))
-#define GST_IIR_EQUALIZER_BAND_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IIR_EQUALIZER_BAND,GstIirEqualizerBandClass))
-#define GST_IS_IIR_EQUALIZER_BAND(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IIR_EQUALIZER_BAND))
-#define GST_IS_IIR_EQUALIZER_BAND_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IIR_EQUALIZER_BAND))
-
-struct _GstIirEqualizerBand
-{
- GstObject object;
-
- /*< private > */
- /* center frequency and gain */
- gdouble freq;
- gdouble gain;
- gdouble width;
-
- /* second order iir filter */
- gdouble b1, b2; /* IIR coefficients for outputs */
- gdouble a0, a1, a2; /* IIR coefficients for inputs */
-};
-
-struct _GstIirEqualizerBandClass
-{
- GstObjectClass parent_class;
-};
-
-static GType gst_iir_equalizer_band_get_type (void);
-static void setup_filter (GstIirEqualizer * equ, GstIirEqualizerBand * band);
-
-static void
-gst_iir_equalizer_band_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstIirEqualizerBand *band = GST_IIR_EQUALIZER_BAND (object);
-
- switch (prop_id) {
- case ARG_GAIN:{
- gdouble gain;
-
- gain = g_value_get_double (value);
- GST_DEBUG_OBJECT (band, "gain = %lf -> %lf", band->gain, gain);
- if (gain != band->gain) {
- GstIirEqualizer *equ =
- GST_IIR_EQUALIZER (gst_object_get_parent (GST_OBJECT (band)));
-
- band->gain = gain;
- if (GST_AUDIO_FILTER (equ)->format.rate) {
- setup_filter (equ, band);
- }
- gst_object_unref (equ);
- GST_DEBUG_OBJECT (band, "changed gain = %lf ", band->gain);
- }
- break;
- }
- case ARG_FREQ:{
- gdouble freq;
-
- freq = g_value_get_double (value);
- GST_DEBUG_OBJECT (band, "freq = %lf -> %lf", band->freq, freq);
- if (freq != band->freq) {
- GstIirEqualizer *equ =
- GST_IIR_EQUALIZER (gst_object_get_parent (GST_OBJECT (band)));
-
- band->freq = freq;
- if (GST_AUDIO_FILTER (equ)->format.rate) {
- setup_filter (equ, band);
- }
- gst_object_unref (equ);
- GST_DEBUG_OBJECT (band, "changed freq = %lf ", band->freq);
- }
- break;
- }
- case ARG_BANDWIDTH:{
- gdouble width;
-
- width = g_value_get_double (value);
- GST_DEBUG_OBJECT (band, "width = %lf -> %lf", band->width, width);
- if (width != band->width) {
- GstIirEqualizer *equ =
- GST_IIR_EQUALIZER (gst_object_get_parent (GST_OBJECT (band)));
-
- band->width = width;
- if (GST_AUDIO_FILTER (equ)->format.rate) {
- setup_filter (equ, band);
- }
- gst_object_unref (equ);
- GST_DEBUG_OBJECT (band, "changed width = %lf ", band->width);
- }
- break;
- }
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_iir_equalizer_band_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec)
-{
- GstIirEqualizerBand *band = GST_IIR_EQUALIZER_BAND (object);
-
- switch (prop_id) {
- case ARG_GAIN:
- g_value_set_double (value, band->gain);
- break;
- case ARG_FREQ:
- g_value_set_double (value, band->freq);
- break;
- case ARG_BANDWIDTH:
- g_value_set_double (value, band->width);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_iir_equalizer_band_class_init (GstIirEqualizerBandClass * klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
- gobject_class->set_property = gst_iir_equalizer_band_set_property;
- gobject_class->get_property = gst_iir_equalizer_band_get_property;
-
- g_object_class_install_property (gobject_class, ARG_GAIN,
- g_param_spec_double ("gain", "gain",
- "gain for the frequency band ranging from -24.0 dB to +12.0 dB",
- -24.0, 12.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
-
- g_object_class_install_property (gobject_class, ARG_FREQ,
- g_param_spec_double ("freq", "freq",
- "center frequency of the band",
- 0.0, 100000.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
-
- g_object_class_install_property (gobject_class, ARG_BANDWIDTH,
- g_param_spec_double ("bandwidth", "bandwidth",
- "difference between bandedges in Hz",
- 0.0, 100000.0, 1.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
-}
-
-static void
-gst_iir_equalizer_band_init (GstIirEqualizerBand * band,
- GstIirEqualizerBandClass * klass)
-{
- band->freq = 0.0;
- band->gain = 0.0;
- band->width = 1.0;
-}
-
-static GType
-gst_iir_equalizer_band_get_type (void)
-{
- static GType type = 0;
-
- if (G_UNLIKELY (!type)) {
- const GTypeInfo type_info = {
- sizeof (GstIirEqualizerBandClass),
- NULL,
- NULL,
- (GClassInitFunc) gst_iir_equalizer_band_class_init,
- NULL,
- NULL,
- sizeof (GstIirEqualizerBand),
- 0,
- (GInstanceInitFunc) gst_iir_equalizer_band_init,
- };
- type =
- g_type_register_static (GST_TYPE_OBJECT, "GstIirEqualizerBand",
- &type_info, 0);
- }
- return (type);
-}
-
-
-/* child proxy iface */
-static GstObject *
-gst_iir_equalizer_child_proxy_get_child_by_index (GstChildProxy * child_proxy,
- guint index)
-{
- GstIirEqualizer *equ = GST_IIR_EQUALIZER (child_proxy);
-
- g_return_val_if_fail (index < equ->freq_band_count, NULL);
-
- GST_LOG ("return child[%d] '%s'", index, GST_OBJECT_NAME (equ->bands[index]));
- return (gst_object_ref (equ->bands[index]));
-}
-
-static guint
-gst_iir_equalizer_child_proxy_get_children_count (GstChildProxy * child_proxy)
-{
- GstIirEqualizer *equ = GST_IIR_EQUALIZER (child_proxy);
-
- GST_LOG ("we have %d children", equ->freq_band_count);
- return (equ->freq_band_count);
-}
-
-static void
-gst_iir_equalizer_child_proxy_interface_init (gpointer g_iface,
- gpointer iface_data)
-{
- GstChildProxyInterface *iface = g_iface;
-
- GST_DEBUG ("initializing iface");
-
- iface->get_child_by_index = gst_iir_equalizer_child_proxy_get_child_by_index;
- iface->get_children_count = gst_iir_equalizer_child_proxy_get_children_count;
-}
-
-
-/* equalizer implementation */
-
-static void
-gst_iir_equalizer_base_init (gpointer g_class)
-{
- GstAudioFilterClass *audiofilter_class = GST_AUDIO_FILTER_CLASS (g_class);
- GstCaps *caps;
-
- caps = gst_caps_from_string (ALLOWED_CAPS);
- gst_audio_filter_class_add_pad_templates (audiofilter_class, caps);
- gst_caps_unref (caps);
-}
-
-static void
-gst_iir_equalizer_class_init (GstIirEqualizerClass * klass)
-{
- GstAudioFilterClass *audio_filter_class = (GstAudioFilterClass *) klass;
- GstBaseTransformClass *btrans_class = (GstBaseTransformClass *) klass;
- GObjectClass *gobject_class = (GObjectClass *) klass;
-
- gobject_class->finalize = gst_iir_equalizer_finalize;
-
- audio_filter_class->setup = gst_iir_equalizer_setup;
- btrans_class->transform_ip = gst_iir_equalizer_transform_ip;
-}
-
-static void
-gst_iir_equalizer_init (GstIirEqualizer * eq, GstIirEqualizerClass * g_class)
-{
- /* nothing to do here */
-}
-
-static void
-gst_iir_equalizer_finalize (GObject * object)
-{
- GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
- gint i;
-
- for (i = 0; i < equ->freq_band_count; i++) {
- if (equ->bands[i])
- gst_object_unparent (GST_OBJECT (equ->bands[i]));
- equ->bands[i] = NULL;
- }
- equ->freq_band_count = 0;
-
- g_free (equ->bands);
- g_free (equ->history);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static inline gdouble
-arg_to_scale (gdouble arg)
-{
- return (pow (10.0, arg / 20.0));
-}
-
-/* Filter taken from
- *
- * The Equivalence of Various Methods of Computing
- * Biquad Coefficients for Audio Parametric Equalizers
- *
- * by Robert Bristow-Johnson
- *
- * http://www.aes.org/e-lib/browse.cfm?elib=6326
- * http://www.musicdsp.org/files/EQ-Coefficients.pdf
- *
- * The bandwidth method that we use here is the preferred
- * one from this article transformed from octaves to frequency
- * in Hz.
- */
-static void
-setup_filter (GstIirEqualizer * equ, GstIirEqualizerBand * band)
-{
- g_return_if_fail (GST_AUDIO_FILTER (equ)->format.rate);
-
- /* FIXME: we need better filters
- * - we need shelf-filter for 1st and last band
- */
- {
- gdouble gain, omega, bw;
- gdouble edge_gain, gamma;
- gdouble alpha, beta;
-
-
- gain = arg_to_scale (band->gain);
-
- if (band->freq / GST_AUDIO_FILTER (equ)->format.rate > 0.5)
- omega = M_PI;
- else if (band->freq < 0.0)
- omega = 0.0;
- else
- omega = 2.0 * M_PI * (band->freq / GST_AUDIO_FILTER (equ)->format.rate);
-
- if (band->width / GST_AUDIO_FILTER (equ)->format.rate >= 0.5) {
- /* If bandwidth == 0.5 the calculation below fails as tan(M_PI/2)
- * is undefined. So set the bandwidth to a slightly smaller value.
- */
- bw = M_PI - 0.00000001;
- } else if (band->width <= 0.0) {
- /* If bandwidth == 0 this band won't change anything so set
- * the coefficients accordingly. The coefficient calculation
- * below would create coefficients that for some reason amplify
- * the band.
- */
- band->a0 = 1.0;
- band->a1 = 0.0;
- band->a2 = 0.0;
- band->b1 = 0.0;
- band->b2 = 0.0;
- goto out;
- } else {
- bw = 2.0 * M_PI * (band->width / GST_AUDIO_FILTER (equ)->format.rate);
- }
-
- edge_gain = sqrt (gain);
- gamma = tan (bw / 2.0);
-
- alpha = gamma * edge_gain;
- beta = gamma / edge_gain;
-
- band->a0 = (1.0 + alpha) / (1.0 + beta);
- band->a1 = (-2.0 * cos (omega)) / (1.0 + beta);
- band->a2 = (1.0 - alpha) / (1.0 + beta);
- band->b1 = (2.0 * cos (omega)) / (1.0 + beta);
- band->b2 = -(1.0 - beta) / (1.0 + beta);
-
- out:
- GST_INFO
- ("gain = %7.5g, , bandwidth= %7.5g, frequency = %7.5g, a0 = %7.5g, a1 = %7.5g, a2=%7.5g b1 = %7.5g, b2 = %7.5g",
- band->gain, band->width, band->freq, band->a0, band->a1, band->a2,
- band->b1, band->b2);
- }
-}
-
-void
-gst_iir_equalizer_compute_frequencies (GstIirEqualizer * equ, guint new_count)
-{
- guint old_count, i;
- gdouble freq0, freq1, step;
- gchar name[20];
-
- old_count = equ->freq_band_count;
- equ->freq_band_count = new_count;
- GST_DEBUG ("bands %u -> %u", old_count, new_count);
-
- if (old_count < new_count) {
- /* add new bands */
- equ->bands = g_realloc (equ->bands, sizeof (GstObject *) * new_count);
- for (i = old_count; i < new_count; i++) {
- equ->bands[i] = g_object_new (GST_TYPE_IIR_EQUALIZER_BAND, NULL);
- /* otherwise they get names like 'iirequalizerband5' */
- sprintf (name, "band%u", i);
- gst_object_set_name (GST_OBJECT (equ->bands[i]), name);
-
- gst_object_set_parent (GST_OBJECT (equ->bands[i]), GST_OBJECT (equ));
- gst_child_proxy_child_added (GST_OBJECT (equ),
- GST_OBJECT (equ->bands[i]));
- }
- } else {
- /* free unused bands */
- for (i = new_count; i < old_count; i++) {
- GST_DEBUG ("removing band[%d]=%p", i, equ->bands[i]);
- gst_child_proxy_child_removed (GST_OBJECT (equ),
- GST_OBJECT (equ->bands[i]));
- gst_object_unparent (GST_OBJECT (equ->bands[i]));
- equ->bands[i] = NULL;
- }
- }
-
- /* free + alloc = no memcpy */
- g_free (equ->history);
- equ->history =
- g_malloc0 (equ->history_size * GST_AUDIO_FILTER (equ)->format.channels *
- new_count);
-
- /* set center frequencies and name band objects
- * FIXME: arg! we can't change the name of parented objects :(
- * application should read band->freq to get the name
- */
-
- step = pow (HIGHEST_FREQ / LOWEST_FREQ, 1.0 / new_count);
- freq0 = LOWEST_FREQ;
- for (i = 0; i < new_count; i++) {
- freq1 = freq0 * step;
- equ->bands[i]->freq = freq0 + ((freq1 - freq0) / 2.0);
- equ->bands[i]->width = freq1 - freq0;
- GST_DEBUG ("band[%2d] = '%lf'", i, equ->bands[i]->freq);
- /*
- if(equ->bands[i]->freq<10000.0)
- sprintf (name,"%dHz",(gint)equ->bands[i]->freq);
- else
- sprintf (name,"%dkHz",(gint)(equ->bands[i]->freq/1000.0));
- gst_object_set_name( GST_OBJECT (equ->bands[i]), name);
- GST_DEBUG ("band[%2d] = '%s'",i,name);
- */
- freq0 = freq1;
- }
-
-
- if (GST_AUDIO_FILTER (equ)->format.rate) {
- for (i = 0; i < new_count; i++) {
- setup_filter (equ, equ->bands[i]);
- }
- }
-}
-
-/* start of code that is type specific */
-
-#define CREATE_OPTIMIZED_FUNCTIONS(TYPE,BIG_TYPE,MIN_VAL,MAX_VAL) \
-typedef struct { \
- TYPE x1, x2; /* history of input values for a filter */ \
- TYPE y1, y2; /* history of output values for a filter */ \
-} SecondOrderHistory ## TYPE; \
- \
-static inline TYPE \
-one_step_ ## TYPE (GstIirEqualizerBand *filter, \
- SecondOrderHistory ## TYPE *history, TYPE input) \
-{ \
- /* calculate output */ \
- TYPE output = filter->a0 * input + filter->a1 * history->x1 + \
- filter->a2 * history->x2 + filter->b1 * history->y1 + \
- filter->b2 * history->y2; \
- /* update history */ \
- history->y2 = history->y1; \
- history->y1 = output; \
- history->x2 = history->x1; \
- history->x1 = input; \
- \
- return output; \
-} \
- \
-static const guint \
-history_size_ ## TYPE = sizeof (SecondOrderHistory ## TYPE); \
- \
-static void \
-gst_iir_equ_process_ ## TYPE (GstIirEqualizer *equ, guint8 *data, \
-guint size, guint channels) \
-{ \
- guint frames = size / channels / sizeof (TYPE); \
- guint i, c, f; \
- BIG_TYPE cur; \
- \
- for (i = 0; i < frames; i++) { \
- for (c = 0; c < channels; c++) { \
- SecondOrderHistory ## TYPE *history = equ->history; \
- cur = *((TYPE *) data); \
- for (f = 0; f < equ->freq_band_count; f++) { \
- GstIirEqualizerBand *filter = equ->bands[f]; \
- \
- cur = one_step_ ## TYPE (filter, history, cur); \
- history++; \
- } \
- cur = CLAMP (cur, MIN_VAL, MAX_VAL); \
- *((TYPE *) data) = (TYPE) cur; \
- data += sizeof (TYPE); \
- } \
- } \
-}
-
-CREATE_OPTIMIZED_FUNCTIONS (gint16, gint, -32768, 32767);
-CREATE_OPTIMIZED_FUNCTIONS (gfloat, gfloat, -1.0, 1.0);
-CREATE_OPTIMIZED_FUNCTIONS (gdouble, gdouble, -1.0, 1.0);
-
-static GstFlowReturn
-gst_iir_equalizer_transform_ip (GstBaseTransform * btrans, GstBuffer * buf)
-{
- GstAudioFilter *filter = GST_AUDIO_FILTER (btrans);
- GstIirEqualizer *equ = GST_IIR_EQUALIZER (btrans);
- GstClockTime timestamp;
-
- if (gst_base_transform_is_passthrough (btrans))
- return GST_FLOW_OK;
-
- if (G_UNLIKELY (filter->format.channels < 1 || equ->process == NULL))
- return GST_FLOW_NOT_NEGOTIATED;
-
- timestamp = GST_BUFFER_TIMESTAMP (buf);
- timestamp =
- gst_segment_to_stream_time (&btrans->segment, GST_FORMAT_TIME, timestamp);
-
- if (GST_CLOCK_TIME_IS_VALID (timestamp))
- gst_object_sync_values (G_OBJECT (equ), timestamp);
-
- equ->process (equ, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf),
- filter->format.channels);
-
- return GST_FLOW_OK;
-}
-
-static gboolean
-gst_iir_equalizer_setup (GstAudioFilter * audio, GstRingBufferSpec * fmt)
-{
- GstIirEqualizer *equ = GST_IIR_EQUALIZER (audio);
-
- switch (fmt->type) {
- case GST_BUFTYPE_LINEAR:
- switch (fmt->width) {
- case 16:
- equ->history_size = history_size_gint16;
- equ->process = gst_iir_equ_process_gint16;
- break;
- default:
- return FALSE;
- }
- break;
- case GST_BUFTYPE_FLOAT:
- switch (fmt->width) {
- case 32:
- equ->history_size = history_size_gfloat;
- equ->process = gst_iir_equ_process_gfloat;
- break;
- case 64:
- equ->history_size = history_size_gdouble;
- equ->process = gst_iir_equ_process_gdouble;
- break;
- default:
- return FALSE;
- }
- break;
- default:
- return FALSE;
- }
-
- gst_iir_equalizer_compute_frequencies (equ, equ->freq_band_count);
- return TRUE;
-}
-
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- GST_DEBUG_CATEGORY_INIT (equalizer_debug, "equalizer", 0, "equalizer");
-
- if (!(gst_element_register (plugin, "equalizer-nbands", GST_RANK_NONE,
- GST_TYPE_IIR_EQUALIZER_NBANDS)))
- return FALSE;
-
- if (!(gst_element_register (plugin, "equalizer-3bands", GST_RANK_NONE,
- GST_TYPE_IIR_EQUALIZER_3BANDS)))
- return FALSE;
-
- if (!(gst_element_register (plugin, "equalizer-10bands", GST_RANK_NONE,
- GST_TYPE_IIR_EQUALIZER_10BANDS)))
- return FALSE;
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "equalizer",
- "GStreamer audio equalizers",
- plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)